grease interceptor venting requirements

An "auto fry" is defined as an enclosed, ventless, self-contained individual-serving deep fryer. If you operate a commercial or institutional kitchen, you must: Violations may result in re-inspection fees of up to $300 or a fine. Schierlocated in Shawnee, Kansasis a privately-owned, 100% USA-made manufacturer of a premier lineup of high-capacity, lifetime guaranteed grease interceptors for commercial kitchens. h[YoG+hc` @ek= K;ZoR[&&yTVvUeA3+C+iJ nQt}MA0alSx k&^>0|>_',G! Either adding a vent to the trap or removing the trap on the fixture altogether would solve the problem. Is it half the size of the connected waste piping? Some years ago, I was successful in getting a sizing table written in to Chapter 10 of the UPC relating fixture units to grease interceptor size, but the IPC still does not have such a table so it remains a mystery in that code. Older service trucks have weaker vacuums, and theres no telling who will show up. Referenced Codes: 2021 Uniform Plumbing Code (UPC) 2021 International Energy Code Compliance (IECC) refer to local plumbing code for vent requirements on external flow control device. 1nrkt`N=e _phk$k0Ja+JPGcG6J E $9 !'3e`AsXBDttxapi C"$> iF`L_i6c8rf`b0 ,_t %PDF-1.5 % A grease interceptor (or grease trap) is a device that separates fats, oils and grease from wastewater and stops it from entering the sewer system. Like HGIs, they can be recessed in the floor, located on the floor below, or sit on the floor next to a single fixture. If there is no place to bury them outside they are often located in parking garages. In any event, a grease trap, interceptor or separator shall be fully evacuated, cleaned, and inspected at least once every 180 days. hb``Pa``b``9a It depends on which model plumbing code applies to the installation. Must comply with American Society of Civil Engineers (ASME) A112.14.3 standard; Must be flow-rated at 75-gallons per minute (GPM) or higher; Must be constructed of non-corrodiblematerials; Must be installed per ASME A112.14.3 Type D standard (indirect connection without external flow control); Must have a minimum liquid capacity consistent with the IW approval letter specified minimum; and. Both HGIs and GRDs are vented on the outlet. We use cookies to provide you with a better experience. Code 4101:3-10-01 - Traps, interceptors and separators. 4. refer to local plumbing code for venting, fixtures, and trap requirements. KZI^))5+e6R2c*CiXY(Km2*n-jtC9K\D5e-44p`RP./FPG8_@PW4DRi*M-\(~=mLZS[o__O~zm'//\=xG?{RTO//n+([>fU{|y~y~d?|C_\o?.w([? Since all semi-automatic draw-off grease interceptors are certified to either PDI G101 or ASME A112.14.3 Type A (that I am aware of) an external vented flow control must be shown for compliance with the IPC. (1) Every oil interceptor shall be provided with 2 vent pipes that. I am hopeful that 2017 will be much better. 2.5.5.2 Venting of Oil Interceptors (See Appendix A) (See also Article 4.3.5.2. of Division . 2. minimum size of grease trap is 35 mgd and 70 lbs. [Comment: When a reference is A grease interceptor shall be provided for proper handling of liquid wastes containing grease. If you would like Metro Vancouver to review your grease interceptor installation plan, replacement plan, or fixture connection plan, please fill out this form: If the grease interceptor contained greater than 25% fats, oils, grease, and solids, you must have it pumped out and cleaned immediately, then provide us with the documentation from your service provider. Grease interceptors shall be constructed of durable, corrosion-resistant materials and shall have water-tight covers securely fastened in place. Some of these large interceptors (basically the plastic ones) come with vent connections on the tank itself. Metro Vancouver acknowledges that the regions residents live, work, and learn on the shared territories of many Indigenous peoples, including 10 local First Nations: qi(Katzie), q: (Kwantlen), kikm (Kwikwetlem), mthxwi (Matsqui), xmkym (Musqueam), qiqyt (Qayqayt), semyame (Semiahmoo), Swxw7mesh Uxwumixw (Squamish), scan msteyx (Tsawwassen) and sllwta (Tsleil-Waututh). n3kGz=[==B0FX'+tG,}/Hh8mW2p[AiAN#8$X?AKHI{!7. The GI flowline (upstream of inlet invert) must be at least 3 inches above the tanks static water level; The GI vent must be at least 3 inches above the static water level of the tank; The GI inlet must be near an elevation that is one half of the tank's static water level height, and the GI outlet must be at least 12 inches above the tank floor; Adequate flow diffusion features must be provided to evenly distribute flow throughout the GI. Interceptors and separators shall be designed so as not to become air bound. (8) Where an acid waste dilution tank is installed, it shall be provided with a vent pipe connected at the top of the tank and that is sized in accordance with Article 7.5.7.7. Conceptual drawing of a City of Austin approvedgravity grease interceptordesign, View contact information for grease trap manufacturers. meet cleaning requirements. ASME A112.14.3, CSA B481.1 and meeting the requirements of both IPC and UPC . It is also recommended to vent the outlet side of thegrease interceptor right after the outlet. This is not compliant with the IPC since the code does not allow double trapped fixtures. Do you have an interesting or questionable installation you can share? 0 Plumbing systems for institutions or commercial establishments in which grease, fats, culinary oils or similar waste products from kitchens or food processing areas are wasted, or in which grease, fats or culinary oils are wasted in connection with utensil, vat, dish or floor cleaning processes shall include grease interceptors. HGIs greater than 500 gallons must have a 60/40 split between compartments. Manufacturer's want to provide guidance for a broad range of installations without providing detailed drawings for every single installation variable that can exist. A grease interceptor is not required where only one auto . Do not use enzymes or other agents that will allow grease to pass through the grease interceptor and into the sewer. a) All required grease interceptors shall comply with the following: 1) Material and Covers. . 691 0 obj <>stream The following diagrams show some of the various approaches to common venting. YLE&_| _fZ K*8Xbxl`ab8`NA!948y"vt n/9((+ K p& endstream endobj 102 0 obj <>/Metadata 3 0 R/Pages 99 0 R/StructTreeRoot 10 0 R/Type/Catalog/ViewerPreferences<>>> endobj 103 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 104 0 obj <>stream Los Angeles County grease interceptor detail. hb```Lf yAXarPw`vB/+2[aa&]eL3DT -ke&{:2CFGC`h B j` SD The sizing of common venting is specified in Table 911.3. This can result in kitchen shutdown and foul odors. Sizing of gravity grease interceptors was a mystery for many years, since thePlumbing Drainage Institute (PDI) sized the units based on meals served per hour coupled with drain down time. YY IpnnN$cG!v,:9g]7.x:Rtxr^-hZe\&_yVnC D0f0bH9 1_`cG\>L(&o(cmK T07( When it comes to traps and vents for grease interceptors and the fixtures discharging to them, it's incumbent upon an engineer or contractor to identify and comply with local code requirements regardless what a manufacturer's drawing shows. If you dont know which fixtures are connected to a grease interceptor, call a plumber or other service provider to trace pipes back to the grease interceptor. . endstream endobj 1047 0 obj <. and 78. 1093 0 obj <>stream Grease and Commercial Kitchens Brochure (English). Greases, fats and oils are about 89 or 90% of the weight of water. For engineered GGIs, specific models shall meet the following requirements: The goal for engineered GGIs is to closely comply to the concrete GGI requirements but allow slight flexibility if site conditions are not ideal for a concrete GGI. endstream endobj 679 0 obj <>stream Once the grease interceptor reaches maximum capacity, a certified grease trap cleaning company will need to be called in order to service the grease interceptor. `Iy|w|`D;8F (m7|@"`/(9c8-bu"+oI-:; f4 +kaG}Xro1FJV-.4a'o~f.al-'p~eVW8c=GWJVY6_? SPS 382.34(5)(c) (c) Exterior grease interceptors. (7) A vent pipe shall be provided within 1 500 mm of the inlet to a grease interceptorcomplete with a cleanout to provide cleaning of thevent pipe. H*w6PH/2402Q0 B]s3 "s=s \ Venting is required on the downstream drain line - the same as most other plumbing appliances and fixtures to allow ecient and unrestricted discharge of the waste water . Interceptors and separators shall be vented in . . Grease interceptors are sized according to the rate of incoming flow, in gallons per minute (GPM). 1046 0 obj <> endobj into a grease interceptor, the FOGS are intercepted or filtered out into a large underground holding tank. The application of the referenced standards shall be limited and as prescribed in section 102.5 of rule 4101:1-1-01 of the Administrative Code.]. 1071 0 obj <>/Filter/FlateDecode/ID[<27EA446AC697844CAE5240B4F0D8AD98>]/Index[1046 48]/Info 1045 0 R/Length 122/Prev 312685/Root 1047 0 R/Size 1094/Type/XRef/W[1 3 1]>>stream made within this rule to a federal statutory provision, an industry consensus not required in garage floor drains in one-, two-, and three-family Here are a few examples. Determining the gpm is tricky since the piping is sized based on fixture units. Grease Interceptor are manufactured with patented distributed flow pattern and corrosion resistant fiberglass material capturing FOG before it clogs pipes, enters the sewer waste system, or spoils a successful operation. Generally speaking, most grease interceptors must be serviced at least every 90 days. e.) Venting is recommended on both the inlet and outlet side of the interceptor, or as governed by local code. Do not purchase a grease interceptor without obtaining a building plan approval includingan Industrial Waste approval letterspecifying the size and design of the interceptor that will be required. 6111.44 Enzymes, solvents, and emulsifiers are not permitted as they will only change the form of grease, allowing it to be carried out of the grease trap with the wastewater and deposited in the collection system. This bylaw applies to commercial kitchens and operations that prepare, package, serve, sell or otherwise handle food in a way that produces fats, oils and grease. This site is not an offical copy or maintitned by the Government of Ontario. (a) in no case be less than 1 in. (c) terminate not less than 2 000 mm above ground. plumbing from approved fixtures as required in district standards . Where to buy. Proper maintenance is the key to meeting these limits. As the waste stream flows through the orifice in the flow control device negative pressure is created, drawing in air from the air intake which is intended to mix with the waste water as it enters the grease interceptor aiding in separation efficiency. 101 0 obj <> endobj 139 0 obj <>/Filter/FlateDecode/ID[<8100D9A72E24714CB39E4D32A0282084><7624C21409664899A744A21F2F606FC0>]/Index[101 77]/Info 100 0 R/Length 170/Prev 846138/Root 102 0 R/Size 178/Type/XRef/W[1 3 1]>>stream The purpose of a grease interceptor is to catch and collect fats, oils, grease, and solids (FOGS) from commercial and restaurant kitchens. Austin Waters Office of Industrial Waste (IW) modified its grease interceptor policies in April 2021. Most inspectors would say yes because the unit itself is trapped and a trap needs a vent, but if you ask the inspectors in Los Angeles City, they would say no, due to the fact that each fixture upstream of the trap is individually vented.

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